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基于三维时域有限差分法的matlab程序的源代码(Matlab source code based on finite difference time domain method)

It is about modeling and simulation of an D.C motor with excitation series using matlab/simulink software.

fdtd计算无限长圆柱导体散射问题，可以计算RCS，包含解析解，此代码经过我自己的修改，与网络版本不同，更加好用(fdtd calculate infinite cylindrical conductor scattering problem, you can calculate RCS, it contains analytical solution, this code through my own changes, and network versions, easier to use)

说明：  一个实用简单的平面坐标转换小程序MAtlab(A simple plane coordinate conversion utility applet MAtlab)

BPSK EGC分集程序，仿真了分集带来的性能增益(EGC diversity gains)

一个可以得到多元回归分析的普适算法，对于分析结果会有不错的帮助。(One can get multiple regression analysis of the universal algorithm for the analysis results will have great help.)

算法是原始对偶算法，该方法充分的剖析了优化问题的结构，是求解二次规划问题的一个较好的算法。求解比采用matlab 的Quardprog求解速度快许多！(Algorithm is the original dual algorithm, this method is fully analyzed the optimization of structure, is to solve the quadratic programming problem of a good algorithm. To solve the fast Quardprog than using matlab to solve many!)

watermarking using dwt

对HARQ系统的吞吐量分析，有均匀线阵的CRB曲线，虚拟力的无线传感网络覆盖，插值与拟合，解方程，数据分析，采用的是脉冲对消法，详细画出了时域和频域的相关图，包含收发两个客户端的链路级通信程序,基于分段非线性权重值的Pso算法。( HARQ throughput analysis of the system, There ULA CRB curve, Virtual power wireless sensor network coverage, Interpolation and fitting, solution of equations, data analysis, It uses a pulse of consumer law, Correlation diagram shown in detail the time domain and frequency domain, Contains two clients receive link-level communications program, Based on piecewise nonlinear weight value Pso algorithm.)

说明：  该程序通过模仿生物的遗传特点，解决全局最优解的问题(The program solves the problem of global optimal solution by imitating the genetic characteristics of organisms)